« previous next »
« previous next »
 

Did you know?

The term bacteria was devised in the 19th century by German biologist Ferdinand Cohn. He based it on the Greek word "bakterion" meaning a small rod or staff. Cohn is considered to be the father of modern bacteriology.

Did you know?

After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.

Did you know?

The average adult has about 21 square feet of skin.

Did you know?

Aspirin may benefit 11 different cancers, including those of the colon, pancreas, lungs, prostate, breasts, and leukemia.

Did you know?

Human kidneys will clean about 1 million gallons of blood in an average lifetime.

An Australian Shepherd-Beagle mix displaying mastery of the "sit" command An Australian Shepherd-Beagle mix displaying mastery of the "sit" command
This Labrador Retriever has been trained to woof and bark on command. This Labrador Retriever has been trained to woof and bark on command.
This engraving of the Boston Massacre (1770) became the most reprinted depiction of the event, and p This engraving of the Boston Massacre (1770) became the most reprinted depiction of the event, and p
This military command post is in South Korea, with both U.S. and South Korean personnel. South Korea ... This military command post is in South Korea, with both U.S. and South Korean personnel. South Korea ...
The enthalpy change for converting 10.0 g of ice at -25.0 C to water at 80.0 C is ________ kJ. ... The enthalpy change for converting 10.0 g of ice at -25.0 C to water at 80.0 C is ________ kJ. ...
If 0.40 mol of NaN3 reacts completely in the reaction shown below, then ________ L of N2 will ... If 0.40 mol of NaN3 reacts completely in the reaction shown below, then ________ L of N2 will ...
Video: Conjunctivitis

For a complete list of videos, visit our video library